Seton Montessori School is an AMS and NAEYC accredited independent school, established in 1965, and located in the Western Suburbs of the city of Chicago. Seton Montessori School is a Lab School for Seton Montessori Institute, which certifies teachers and administrators and offers professional development programs to the greater Montessori community. Our school, located on a 4-acre wooded campus, serves children from Infants (2 months) through age 12.